Bird perch



FIG. 1 is a perspective view of a bird perch showing my new design;

FIG. 2 is a left side view thereof, the right side being a mirror image;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a bird perch, as shown and described. 